<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
  //创建标签
  let d = document.createElement("div");
  //给div设置显示文本
  d.innerText = "我是div";
  //把div添加到body里面
  document.body.appendChild(d)
  //创建h1 和h2
  let h1 = document.createElement("h1");
  let h2 = document.createElement("h2");
  h1.innerText = "这是h1";
  h2.innerText = "这是h2";
  document.body.append(h1,h2)
  //创建图片并添加
  let i = document.createElement("img")
  //给元素设置属性
  i.src="../b.jpg";
  //添加到页面中
  document.body.append(i)
</script>
</body>
</html>